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classification of pigments

...not as solutions but as finely ground solid particles mixed with a liquid. In general, the same pigments are employed in oil- and water-based paints, printing inks, and plastics. Pigments may be organic (
i.e., contain carbon) or inorganic. The majority of in
organic pigments are brighter and last longer than organic ones. Organic pigments made from natural sources have been used for...